Test of the reptation concept: crystal growth rate as a function of

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Macromolecules 1990, 23, 3544

CORRECTIONS

Dao-Rong Dai, Tobin J . Marks,* Jian Yang, Paul M. Lundquist, and George K. Wong: Polyphenylene Ether Based Thin-Film Nonlinear Optical Materials Having High Chromophore Densities and Alignment Stability. Volume 23, Number 6, March 19, 1990, p 1891. The structures of the dimethylphenol and its derivatives in Scheme I should be the 2,6 isomers.

John D. Hoffman’ and Robert L. Miller*: Test of the Reptation Concept: Crystal Growth Rate as a Function of Molecular Weight in Polyethylene Crystallized from the Melt. Volume 21, Number 10, October 1988, p 3038. The constant in the numerator of the “Flory-Vrij” melting point eq 35 should be 2.903 instead of 2.093.

0024-9297/90/2223-3544$02.50/0

8 1990 American Chemical Society